
$(function () {
    var show_num = [];
    draw(show_num);

    validateRule();
    valPhoneRule();

    $('#for-code').click(function () {
        var val = $(".input-val").val().toLowerCase();
        var num = show_num.join("");
        if (btnTag) return;
        btnTag = true;
        if (val == '') {
            $.modal.msg('请输入图片验证码！');
        } else if (val == num) {
            $(".input-val").val('');
            draw(show_num);
            getCheckCode();
        } else {
            $.modal.msg('图片验证码错误！请重新输入！');
            $(".input-val").val('');
            draw(show_num);
        }
    });

    $("#canvas").on('click', function () {
        draw(show_num);
    })

    $.validator.setDefaults({
        submitHandler: function () {
            login();
        }
    });

    function login() {
        $.modal.loading($("#btnSubmit").data("loading"));
        var username = $.common.trim($("input[name='username']").val());
        var password = $.common.trim($("input[name='password']").val());
        var validateCode = $("input[name='validateCode']").val();
        var rememberMe = $("input[name='rememberme']").is(':checked');
        $.ajax({
            type: "post",
            url: ctx + "login",
            data: {
                "username": username,
                "password": password,
                "validateCode": validateCode,
                "rememberMe": rememberMe
            },
            success: function (r) {
                if (r.code == 0) {
                    location.href = ctx + '/system/company/add';
                } else {
                    $.modal.closeLoading();
                    $('.imgcode').click();
                    $(".code").val("");
                    $.modal.msg(r.msg);
                }
            }
        });
    }

    function validateRule() {
        var icon = "<i class='fa fa-times-circle'></i> ";
        $("#signupForm").validate({
            rules: {
                username: {
                    required: true
                },
                password: {
                    required: true
                }
            },
            messages: {
                username: {
                    required: icon + "请输入您的电话号码",
                },
                password: {
                    required: icon + "请输入您的密码",
                }
            }
        })
    }


    function valPhoneRule() {
        // var icon = "<i class='fa fa-times-circle'></i> ";
        // $("#signupForm").validate({
        //     rules: {
        //         username: {
        //             required: true
        //         }
        //     },
        //     messages: {
        //         username: {
        //             required: icon + "请输入您的电话号码",
        //         }
        //     }
        // })
    }

    function getCheckCode() {
        $.modal.loading($("#btnSubmit").data("loading"));
        var username = $.common.trim($("input[name='username']").val());
        var validateCode = $("input[name='username']").val();
        console.log(validateCode);
        $.ajax({
            type: "get",
            url: ctx + "phone_code",
            data: {
                "username": username,
            },
            success: function (r) {
                if (r.code == 0) {
                    $(".blockUI").remove();
                    $.modal.msg("验证码生成成功");
                } else {
                    $.modal.msg(r.msg);
                }
            }
        });
    }

});

function draw(show_num) {
    var canvas_width = $('#canvas').width();
    var canvas_height = $('#canvas').height();
    var canvas = document.getElementById("canvas");//获取到canvas的对象，演员
    var context = canvas.getContext("2d");//获取到canvas画图的环境，演员表演的舞台
    canvas.width = canvas_width;
    canvas.height = canvas_height;
    var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0";
    var aCode = sCode.split(",");
    var aLength = aCode.length;//获取到数组的长度

    for (var i = 0; i <= 3; i++) {
        var j = Math.floor(Math.random() * aLength);//获取到随机的索引值
        var deg = Math.random() * 30 * Math.PI / 180;//产生0~30之间的随机弧度
        var txt = aCode[j];//得到随机的一个内容
        show_num[i] = txt.toLowerCase();
        var x = 10 + i * 20;//文字在canvas上的x坐标
        var y = 20 + Math.random() * 8;//文字在canvas上的y坐标
        context.font = "bold 23px 微软雅黑";

        context.translate(x, y);
        context.rotate(deg);

        context.fillStyle = randomColor();
        context.fillText(txt, 0, 0);

        context.rotate(-deg);
        context.translate(-x, -y);
    }
    for (var i = 0; i <= 5; i++) { //验证码上显示线条
        context.strokeStyle = randomColor();
        context.beginPath();
        context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.stroke();
    }
    for (var i = 0; i <= 30; i++) { //验证码上显示小点
        context.strokeStyle = randomColor();
        context.beginPath();
        var x = Math.random() * canvas_width;
        var y = Math.random() * canvas_height;
        context.moveTo(x, y);
        context.lineTo(x + 1, y + 1);
        context.stroke();
    }
}

function randomColor() {//得到随机的颜色值
    var r = Math.floor(Math.random() * 256);
    var g = Math.floor(Math.random() * 256);
    var b = Math.floor(Math.random() * 256);
    return "rgb(" + r + "," + g + "," + b + ")";
}
